/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package jobportal.admin;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import jobportal.Dbconn;
import jobportal.EmailSender;

/**
 *
 * @author project
 */
public class manage_jobseekers extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        Connection con = null;
        Statement st = null;
        RequestDispatcher rd = request.getRequestDispatcher("manage_jobseekers.jsp");
        String sql = "";
        try {
            con = Dbconn.getConn();
            st = con.createStatement();
            String str[] = request.getParameterValues("cmcheck[]");

            String username = "";
            for (int i = 0; i < str.length; i++) {
                if (i == 0) {
                    username = "'" + str[i] + "'";
                } else {
                    username += ",'" + str[i] + "'";
                }

            }
            // out.println("username=" + username);
            sql = "select email from student where username in(" + username + ")";
            String email = "";
            ResultSet rs = st.executeQuery(sql);
            while (rs.next()) {
                if (rs.getRow() == 1) {
                    email = rs.getString("email");
                } else {
                    email = email + "," + rs.getString("email");
                }

            }

            if (request.getParameter("action") != null && request.getParameter("action").equals("sendmsg")) {

                EmailSender.sendMail(email, request.getParameter("sub"), request.getParameter("mssg"));
            } else if (request.getParameter("suspend") != null && request.getParameter("suspend").equals("Suspend")) {
                sql = "update student set adminverify='suspended' where username in(" + username + ")";
                st.executeUpdate(sql);

                    rs = st.executeQuery("select subject,content from emailmessage where id='6'");
                if (rs.next()) {
                    String subject = rs.getString(1);
                    String content = rs.getString(2);
                    EmailSender.sendMail(email, subject, content);

                }
            } else if (request.getParameter("active") != null && request.getParameter("active").equals("Active")) {
                sql = "update student set adminverify='Active' where username in(" + username + ")";
                st.executeUpdate(sql);

                rs = st.executeQuery("select subject,content from emailmessage where id='8'");
                if (rs.next()) {
                    String subject = rs.getString(1);
                    String content = rs.getString(2);
                    EmailSender.sendMail(email, subject, content);

                }
            } else if (request.getParameter("delete") != null && request.getParameter("delete").equals("Delete")) {
                sql = "delete from student where username in(" + username + ")";

                st.executeUpdate(sql);
                rs = st.executeQuery("select subject,content from emailmessage where id='7'");
                if (rs.next()) {
                    String subject = rs.getString(1);
                    String content = rs.getString(2);
                    EmailSender.sendMail(email, subject, content);

                }
            }
            rd.forward(request, response);
        } catch (Exception e) {
            out.println(e);
            //  rd.forward(request, response);
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
